It tells the story of Lin Ping, a son of a family of traditional Chinese medicine who was unjustly imprisoned. After being released from prison, he inherited the "Green Bag Book" and entered into a marriage agreement with Li Yunxi, a wealthy daughter who was suffering from cold poison. After getting married, Lin Ping was cold-eyed by the Li family and suppressed by his love rivals. However, he secretly cooperated with the underground emperor Xu Chunbao to establish a pharmaceutical factory. He relied on his peerless medical skills to resolve crises many times and gradually counterattacked.
